Meaning

noun long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute

noun evergreen Mediterranean tree with edible pods; the biblical carob

noun powder from the ground seeds and pods of the carob tree; used as a chocolate substitute

originBorrowed from Middle French carobe, from Arabic خَرُّوب (ḵarrūb), from Classical Syriac ܚܪܘܒܐ (ḥarrūḇā).

Etymology from Wiktionary, CC BY-SA 3.0